When there are two or more Discrete Energy Level (Domains) subnodes under the Trap-Assisted Recombination feature, transition between two different discrete trap levels can be specified using this subfeature.

Select one of the discrete trap levels from the list. The default is None.

Select a different discrete trap levels from the list. The default is None.

Enter the decay lifetime from upper to lower level τ21 (SI unit: s). The default is 10 μs.